Control knob for radio receivers or the like



FIG. 1 is a front, top and right side perspective view of a control knob for radio receivers or the like showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a rear, bottom and left side perspective view; and

FIG. 6 is a bottom plan view. 

The ornamental design for a control knob for radio receivers or the like, as shown. 